DTL FontMaster Manual1.1 PDF

dtl datamaster: export fonts …
name of the font database is also used as the unique TrueType id.
The TrueType Horizontal Header Information (hhea) is generated by
the program automatically.
– ttf/otf (2)
Here you can enter the Additional os/2-Table Font Metrics and the
Additional os/2-Table Font Information. The values for the TypoAscender,
TypoDescender, WinAscent and WinDescent can be defined here. The
TypoAscender and TypoDescender form together the em-square. The
WinAscent and WinDescent are calculated automatically by the program.
Normally the values for WinAscent and for FondAscender in the Macintosh
dialog are the same. This is also the case for WinDescent and FondDescent.
The TypoLineGap is by default zero. The SubscriptxSize and
SuperscriptxSize are also automatically calculated by the program.
The Vendid can be entered in the Additional os/2-Table Font Information. It
may consist of four characters at maximum. It is common practice to
register this id via Microsoft, although this is not necessary.
By default the FirstCharIndex is set to zero. The default for the
WidthClass is ‘Medium’ (normal) and this value should normally not be
altered.
The FamilyClass and Panose Classification don’t influence the behaviour
of the font but are used to describe the characteristics. This can be of use in
case the font has to substitute another font with the same characteristics.
The default settings (‘No Classification’ and ‘Any’) will of course not
support this system but do not harm anything either.
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The values for the TypoAscender and
TypoDescender are by default taken
from the information entered in the
Font Header in dtl BezierMaster.